Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT05878860 · ClinicalTrials.gov registry record · Phase 1

ATSN-201 Gene Therapy in RS1-Associated X-linked Retinoschisis

A Phase 1 study of X-linked Retinoschisis, sponsored by Atsena Therapeutics.

Recruiting
Registry status
Phase 1
Development phase
21
Enrollment target
4
Study locations

NCT05878860: Recruiting Phase 1 study of X-linked Retinoschisis, sponsored by Atsena Therapeutics.

NCT05878860 is a Phase 1 study of X-linked Retinoschisis that is actively recruiting participants, run by Atsena Therapeutics. The registered enrollment target is 21 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (65% lower). The trial reports 4 study locations across 4 states. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05878860, a Phase 1 study of X-linked Retinoschisis, is actively recruiting participants, sponsored by Atsena Therapeutics.

RECRUITING
Registry status
Phase 1
Development phase
21 participants
Enrollment target
4
Study locations

Study Summary

This study will evaluate the safety and tolerability of ATSN-201 in male subjects ≥ 6 years of age with RS1-associated X-linked retinoschisis (XLRS).

Primary Outcome

Incidence of dose-limiting toxicities (DLTs) and treatment-emergent adverse events (TEAEs).

Conditions Studied

Interventions

  • BIOLOGICAL ATSN-201

Study Locations (4)

California

  • Children's Hospital of Los Angeles - Los Angeles

Florida

  • Bascom Palmer Eye Institute - Miami

Oregon

  • Oregon Health Sciences University - Portland

Pennsylvania

  • Children's Hospital of Philadelphia - Philadelphia

Trial Details

FieldValue
Enrollment Target 21 participants
Start Date 2023-08-22
Est. Completion 2029-10
Phase Phase 1
Atsena Therapeutics

2 total trials

What NCT05878860 shows while recruiting

NCT05878860 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 21 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (65% lower).

The record links to 1 condition, with X-linked Retinoschisis appearing as the primary indexed condition, and to 1 intervention - of which ATSN-201 is the first listed.

NCT05878860 reports a single indexed study location in California, Florida, Oregon.

Frequently Asked Questions

What is clinical trial NCT05878860 about?

NCT05878860 is a clinical study titled "ATSN-201 Gene Therapy in RS1-Associated X-linked Retinoschisis". This study will evaluate the safety and tolerability of ATSN-201 in male subjects ≥ 6 years of age with RS1-associated X-linked retinoschisis (XLRS).

What is the current status of trial NCT05878860?

This trial is currently recruiting. It is a Phase 1 study. The enrollment target is 21 participants. The study started on 2023-08-22. Estimated completion is 2029-10.

What conditions does trial NCT05878860 study?

This clinical trial studies the following conditions: X-linked Retinoschisis.

What interventions are being tested in trial NCT05878860?

The interventions under investigation include: ATSN-201 (BIOLOGICAL).

Who is sponsoring clinical trial NCT05878860?

This trial is sponsored by Atsena Therapeutics, which has 2 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT05878860 being conducted?

This trial has 4 study locations across California, Florida, Oregon, Pennsylvania. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for X-linked Retinoschisis

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT05878860's enrollment target sits among peer trials

21 1616th of 2000 higher than 372 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02447874 · 21 participants · Phase 1

    Arginine Therapy for the Treatment of Pain in Children With Sickle Cell Disease

  • NCT03826992 · 21 participants · Phase 1

    Venetoclax Combined With Vyxeos (CPX-351) for Participants With Relapsed or Refractory Acute Leukemia

  • NCT04107077 · 21 participants · Phase 2

    Phase II Study of the Effects of Laparoscopic Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in Patients With Advanced Gastric Cancer

  • NCT04158635 · 21 participants · Phase 1

    Gemcitabine, Nab-Paclitaxel, and Bosentan for the Treatment of Unresectable Pancreatic Cancer

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT05878860, the US trial registry maintained by the National Library of Medicine. NCT05878860 (small enrollment · single site footprint · recruiting) retrieved and formatted by PlainTrial, see methodology.